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<html xmlns="http://www.w3.org/1999/xhtml">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
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<body>

<?php
	$valor = "Luiz Carlos de Assis";
	
	$resultado = explode(" ", $valor);
	
	echo "Olá ". $resultado[0].", boa tarde!";
	
?>

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